CVE-2026-74546

unknowncovered by 1 sourcefirst seen 2026-08-15

In the Linux kernel, the following vulnerability has been resolved: hwmon: (adt7470) Fix divide-by-zero TOCTOU crash in fan speed read If the fan data becomes 0 between the FAN_DATA_VALID() check and the FAN_PERIOD_TO_RPM() conversion, it will result in a divide-by-zero crash due to a race with a concurrent update of the cached fan value. Fix a TOCTOU issue by reading fan data once.

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Exploitation outlook

Low exploitation risk0.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.

Advisory coverage (1)

unknownCVE-2026-74546: In the Linux kernel, the following vulnerability has been resolved: hwmon: (adt7470) Fix divid…nvd · 2026-08-15

External references

NVD record for CVE-2026-74546

CVE.org record

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